NCERT Class 11
A nerve impulse travels at up to 120 m/s along a myelinated axon — that's 430 km/h! Fire an action potential in 3D and watch Na⁺ ions flood in, then K⁺ flood out.
Tap the cerebellum — it keeps you balanced. Tap the medulla oblongata — it controls your heartbeat and breathing. The brain regions you know determine the marks you score.